177207320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{619}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 423856800

約数和(自身を除く): 246649480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 421, 619, 680, 842, 1238, 1684, 2105, 2476, 3095, 3368, 4210, 4952, 6190, 7157, 8420, 10523, 12380, 14314, 16840, 21046, 24760, 28628, 35785, 42092, 52615, 57256, 71570, 84184, 105230, 143140, 210460, 260599, 286280, 420920, 521198, 1042396, 1302995, 2084792, 2605990, 4430183, 5211980, 8860366, 10423960, 17720732, 22150915, 35441464, 44301830, 88603660, 177207320]

約数ペア:

[(1, 177207320), (2, 88603660), (4, 44301830), (5, 35441464), (8, 22150915), (10, 17720732), (17, 10423960), (20, 8860366), (34, 5211980), (40, 4430183), (68, 2605990), (85, 2084792), (136, 1302995), (170, 1042396), (340, 521198), (421, 420920), (619, 286280), (680, 260599), (842, 210460), (1238, 143140), (1684, 105230), (2105, 84184), (2476, 71570), (3095, 57256), (3368, 52615), (4210, 42092), (4952, 35785), (6190, 28628), (7157, 24760), (8420, 21046), (10523, 16840), (12380, 14314)]